{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950321,-0.311270,0.000000,0.000000,0.174030,-0.531320,0.829104,0.000000,-0.257532,0.786255,0.561677,0.000000,-1644308.942058,5020144.746541,3562233.223188,1],    "boundingVolume": {    "region": [1.887250,0.596319,1.887402,0.596504,0.000000,8.809496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397775.b3dm"}}}